:root {
      color-scheme: dark;
      --metal-light: #d9ddd9;
      --metal-mid: #a9aea9;
      --metal-dark: #676c6d;
      --panel-dark: #202425;
      --panel-deep: #121516;
      --accent: #f5d37a;
      --text: #f3f2ec;
      --muted: #c3c2bb;
      --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      min-height: 100%;
    }

    body {
      margin: 0;
      display: grid;
      place-items: center;
      padding: 24px;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(0, 0, 0, 0.24)),
        url("../../media/stardust.png"),
        linear-gradient(180deg, #4d4d53 0%, #2e3238 30%, #171a1d 100%);
    }

    main {
      width: min(100%, 920px);
    }

    .elevator {
      position: relative;
      overflow: hidden;
      padding: clamp(24px, 4vw, 40px);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 32px;
      background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.34), rgba(70, 75, 79, 0.25)),
        url("../../media/brushed-alum.png"),
        linear-gradient(145deg, #c4c8c7, #8d9396 48%, #5b6163 100%);
      box-shadow: var(--shadow);
    }

    .elevator::before,
    .elevator::after {
      content: "";
      position: absolute;
      top: 16px;
      bottom: 16px;
      width: 12px;
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(0, 0, 0, 0.4));
      opacity: 0.9;
    }

    .elevator::before {
      left: 14px;
    }

    .elevator::after {
      right: 14px;
    }

    .panel {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 22px;
      padding: clamp(22px, 4vw, 34px);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 24px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.28)),
        linear-gradient(180deg, var(--panel-dark), var(--panel-deep));
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
      text-align: center;
    }

    .display {
      display: grid;
      gap: 10px;
      justify-items: center;
      padding: 18px 16px 20px;
      border: 1px solid rgba(245, 211, 122, 0.32);
      border-radius: 20px;
      background:
        linear-gradient(180deg, rgba(245, 211, 122, 0.14), rgba(0, 0, 0, 0.1)),
        radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 55%),
        #17191b;
      box-shadow: inset 0 0 24px rgba(245, 211, 122, 0.12);
    }

    .display-label {
      margin: 0;
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.34em;
      text-transform: uppercase;
    }

    h1 {
      margin: 0;
      font-size: clamp(2.5rem, 8vw, 5.5rem);
      font-weight: 500;
      letter-spacing: 0.24em;
      line-height: 0.95;
      text-transform: uppercase;
      text-align: center;
      color: transparent;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(0, 0, 0, 0.18)),
        url("../../media/brushed-alum.png"),
        linear-gradient(180deg, #f2f2ed 0%, #c8ccc9 48%, #7d8486 100%);
      background-clip: text;
      -webkit-background-clip: text;
      text-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
    }

    .subtitle {
      margin: 0;
      max-width: 42ch;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.55;
      text-align: center;
    }

    .button-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .button-grid li:last-child:nth-child(odd) {
      grid-column: 1 / -1;
      justify-self: center;
      width: min(100%, 360px);
    }

    .lift-button {
      position: relative;
      display: grid;
      gap: 8px;
      min-height: 138px;
      padding: 18px 18px 20px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 22px;
      text-decoration: none;
      color: var(--text);
      text-align: center;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(0, 0, 0, 0.2)),
        url("../../media/diamond-upholstery.png"),
        linear-gradient(180deg, #b7bbb9 0%, #8d9495 55%, #666d70 100%);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -8px 14px rgba(0, 0, 0, 0.22),
        0 10px 22px rgba(0, 0, 0, 0.2);
      transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
    }

    .lift-button:hover,
    .lift-button:focus-visible {
      transform: translateY(-2px);
      filter: brightness(1.04);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.34),
        inset 0 -8px 14px rgba(0, 0, 0, 0.22),
        0 16px 26px rgba(0, 0, 0, 0.28);
    }

    .lift-button:focus-visible {
      outline: 3px solid rgba(245, 211, 122, 0.72);
      outline-offset: 3px;
    }

    .button-code {
      justify-self: center;
      min-width: 54px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(21, 24, 27, 0.7);
      color: var(--accent);
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .button-title {
      display: block;
      font-size: 1.15rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      line-height: 1.2;
      text-transform: uppercase;
      color: #131516;
      text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
    }

    .button-copy {
      display: block;
      font-size: 0.94rem;
      line-height: 1.45;
      color: rgba(16, 18, 19, 0.88);
    }

    .footer-note {
      margin: 0;
      color: #9ea39f;
      font-size: 0.82rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    @media (max-width: 700px) {
      body {
        padding: 14px;
      }

      .elevator::before,
      .elevator::after {
        display: none;
      }

      .button-grid {
        grid-template-columns: 1fr;
      }

      .button-grid li:last-child:nth-child(odd) {
        grid-column: auto;
        width: auto;
      }

      h1 {
        letter-spacing: 0.16em;
      }
    }